Add get_blob_stream (prefer GetRawBlob)

Signed-off-by: Priyanshu Kumar <priyanshu.kumar@broadcom.com>

Author: 0verflowme

Cargo.toml

@@ -10,6 +10,7 @@ rust-version = "1.70.0"
 
 [dependencies]
 futures-util = "0.3.13"
+hex = "0.4.3"
 # NOTE when bumping this in a semver-incompatible way, because we re-export it you
 # must also bump the semver of this project.
 # See also https://github.com/youki-dev/oci-spec-rs/pull/288
@@ -18,6 +19,7 @@ rustix = { version = "1.0", features = ["process", "fs", "net"] }
 serde = { features = ["derive"], version = "1.0.125" }
 serde_json = "1.0.64"
 semver = "1.0.4"
+sha2 = "0.10.9"
 thiserror = "2"
 tokio = { features = ["fs", "io-util", "macros", "process", "rt", "sync"], version = "1" }
 tracing = "0.1"